Niyomufasha, T., Ntivuguruzwa, C. and Mugabo, L. R. (2024) “Considering the Impact of Using Free-Body Diagram in Mechanics Problem-Solving on Improving Engineering Students’ Performance in Physics at a Selected Public University in Rwanda”, Journal of Learning Theory and Methodology. Kharkiv, Ukraine, 5(3), pp. 115–122. doi: 10.17309/jltm.2024.5.3.04.